Use the following unit fractions to express 240 miles per ho
     Use the following unit fractions to express 240 miles per hour in feet per second.  5280 ft/1 mi, 60 min/1 hr, and 60 sec/1 min  240 mi/hr =  ft/sec 
  
  Solution
Solution:
1 Mile = 5280 ft
Hence, 240 Miles = 240 x 5280 ft
1 hr = 60 min = 60 x 60 sec
240 Miles / Hour = (240 x 5280) ft/(60 x 60) sec = 352 ft/sec

